Extensible fly-escape.



Patented Au 6, IBM.

A. J. COLLAB.- EXTENSIBLE FLY ESCAPE.

(Application med 65c. 24, 1900.)

(No Model.)

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ADONIRAM J. COLLAR, OF YREKA, CALIFORNIA.

EXTENSIBLE FLY-ESCAPE.

$PEGIFIGA'1ION forming part of Letters Patent No. 679,946, dated August6, 1901. Application filed October 24, 1900. Serial No. 34,174. (Nomodel.)

To aZZ whom it may concern:

Be it known that I, ADONIRAM J. COLLAR, a citizen of the UnitedStates,residing at Yreka, county of Siskiyou, State of California, haveinvented an Improvement in Extensible Fly- Escapes; and I hereby declarethe following to be a full, clear, and exact description ofthe same. V

My invention relates to an improved device attachable to window or doorscreens and such light apertures, so that flies and other winged insectsare. given an egress-passage.

It consists of the parts and the constructions and combinations of partshereinafter described and claimed.

Figure 1 is a vertical section of the escape through the telescopingends. Fig. 2 is an outside view of the same.

The object of my invention is to provide an inexpensive portablefly-escape that can be inserted in any screen-door or screenedwindow-opening and requiring little or no mechanical skill to set it inposition.

I have shown my invention as applied to an ordinary screen-door.

Are'presents the frame,covered by a screening 2.

3 is a cross-bar upon which my escape rests. This cross bar or supportmay be the lower sash of a door or of a window, or it may be a seat, asa piece of Wood, as 3 in Fig. 2, to be inserted in the frame. A part ofthe screen is cut away above the cross-bar and on the inside of thescreen, and to the lower edge of this opening and covering it isattached some transparent substance 4, as a celluloid sheet,

which latter forms part and is joined to the base of my escape device.This base when in position forms a trough on the inner side of thescreen, with channels 5 opening to the outer air and having its innerwall extending above these openings. As the screen tends to darken theroom the cutting away of a part of the screen and the insertion on thisopening of a transparent substance, as celluloid, attracts or lures theflies as to a hole in the otherwise dark wall, and they shortly fallinto the trough and pass out of doors. Thus is seen one purpose of myinvention. Another is to make the escape adaptable to varying sizes ofscreens. To

this end I prefer, first, the use of a flexible transparent substance,as celluloid, and, second, make the trough or base in the followingmanner: This base, which is of metal, as tin, is composed of two partsslidable one within the other and each having similarlyconcaved bot-tompieces. The edges of one piece, as 6, are turned to form a groove inwhich the edges of the other, '7, are slidable. Upon the flatter bottompart of 6 and 7 are supported by cross-pieces 1O bridges or sheaths Sand 9, respectively, which are also adapted to slide one within theother. In other words, each of these parts of the base is composed of abottom piece and a sheath forming a channel between the base and sheathand the two parts adapted to being telescoped. A stick 12 is heldsecurely, as by a dent 11, in the sheaths, as 8, and it, with itssheath, is slidable in the other sheath 9. Between the sheaths and thebottom of the trough are left the passages or channels 5. To the inneror exposed edge of the stick 12 is attached the transparent sheet 4.

Lugs 13 are provided upon the parts 6 and 7, by which the base may besecured to the screen-frame. In the drawings, Fig. 2, the left-hand endof the part 6 is broken away and the lug 13 of this part does not show;but one of said lugs is shown in said figure by dotted lines at therighthand end of the part 7, and the application of a similar lug to theouter end of part 6 will be readily understood. The vertical edges ofthe celluloid may be fastened to the sides of the frame in various ways,as by strips 14, having their lower ends convexed to fit the concavityof the bottom of the trough, or by nailing directly to the frame andsecuring the screen over the edges. The vertical thickness of thesheaths being but trifling, the transparent sheet comes down practicallyto the edge of the openings 5. A fly once in the trough will not return,but pass out through these light channels. The protrusion of the bottomof the base and of the acutely-angled sheaths above and of the endvertical walls '14 connecting them a short distance outwardly beyond theframe prevents any return or entrance from Without.

These escapes have ahorizontal extendable movement of several inches. Itis only necessary in order to fit it to a screen to telescope the baseto the width of the screen, out off the protruding end of the stick 12,and trim and attach in position, as shown. This feature of a portableadjustable escape is the essence of my invention, or where it is notdesired to cut the screen, or the screen is vertically slidable, or theescape is to be attached to a window the upper edge of the celluloid maybe fastened to the lower part of the screen-frame or to the window-sash,as the case may be, and the base secured to the sill, the sides of thecelluloid being fastened as before or in any other desired manner.

That a proper seat may be always had for the base of the escape, Iprovide a piece of wood similarly concaved, as 3, Fig. 2.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is'

1. A fly-escape including a horizontal base portion having transverseopenings or channels, a screen-surface and a section of transparentmaterial constituting a part of the escape and forming a continuation ofthe same, and means for attaching the escape to a lightaperture.

2. A fly-escape including a horizontally-extensible concaved base havingtransverse openings or outlets, a screen-surface and a transparentsection or continuation of said screen-surface, constituting a portionof the escape and means for attaching the escape to an opening orlight-aperture.

3. A fly-escape including a transverselychanneled, concaved base, ascreen-section and a transparent section forminga continuation of thescreen-section, means for the attachment of the transparent. section,and

means whereby the escape may be secured in a light-aperture.

. 4. A fly-escape comprising a seat having a concaved upper surface, andadapted to fit upon the lower rail of the screen-frame, and between thesides of the frame, a similarlyconcaved base fitting in this seat, saidbase composed of parts slidable upon and within each other, and havingtransverse channels, an extension of flexible transparent materialattached to the upper inner edge of the channeled portion of the base,and means for attaching the escape to the screen-frame.

5. A portable fly -escape consisting of a base made in two parts, eachpart having a similarly-concaved bottom, and a sheath supported upon andparallelto this bottom portion, leaving transverse channels between, theother edge of the bottom portion extending upwardly and above the top ofthese channelsto form a troughwith the. edge of the sheath and intowhich trough these channels open, the edges of one bottom piece beingturned toform grooves in which the other bottom piece is slidable, andthe sheath of one part slidable-within the sheath of the other part, sothat the two base parts are capable of being longitudinally extended orcontracted, a stick fastened in one sheath and sliding in the other andof a length approximately that of the base, and a flexible transparentsheet or extension upon the edge of this stick and extending upwardlyfrom the edge of the trough.

In witnesswhereof I have hereunto set my hand. 7

ADONIRAM J. COLLAR. Witnesses:

ALICE TOWNSEND, J. M. ONEILL.

